EP3950257A4 - MOLDED ARTICLE AND ASSOCIATED METHOD OF MANUFACTURING - Google Patents

MOLDED ARTICLE AND ASSOCIATED METHOD OF MANUFACTURING Download PDF

Info

Publication number
EP3950257A4
EP3950257A4 EP20782569.6A EP20782569A EP3950257A4 EP 3950257 A4 EP3950257 A4 EP 3950257A4 EP 20782569 A EP20782569 A EP 20782569A EP 3950257 A4 EP3950257 A4 EP 3950257A4
Authority
EP
European Patent Office
Prior art keywords
molded article
producing
producing molded
article
molded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20782569.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3950257A1 (en
Inventor
Yuya KANAMORI
Norihito Sakai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Chemical Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Chemical Corp filed Critical Mitsubishi Chemical Corp
Publication of EP3950257A1 publication Critical patent/EP3950257A1/en
Publication of EP3950257A4 publication Critical patent/EP3950257A4/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/7646—Measuring, controlling or regulating viscosity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2029/00—Use of polyvinylalcohols, polyvinylethers, polyvinylaldehydes, polyvinylketones or polyvinylketals or derivatives thereof as moulding material
    • B29K2029/04—PVOH, i.e. polyvinyl alcohol
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • B29K2067/04—Polyesters derived from hydroxycarboxylic acids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0059—Degradable
    • B29K2995/006—Bio-degradable, e.g. bioabsorbable, bioresorbable or bioerodible
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0065—Permeability to gases
    • B29K2995/0067—Permeability to gases non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7174—Capsules
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/30—Applications used for thermoforming
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
EP20782569.6A 2019-03-29 2020-03-25 MOLDED ARTICLE AND ASSOCIATED METHOD OF MANUFACTURING Pending EP3950257A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019065505 2019-03-29
PCT/JP2020/013275 WO2020203536A1 (ja) 2019-03-29 2020-03-25 成形品及び成形品の製造方法

Publications (2)

Publication Number Publication Date
EP3950257A1 EP3950257A1 (en) 2022-02-09
EP3950257A4 true EP3950257A4 (en) 2022-05-04

Family

ID=72667797

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20782569.6A Pending EP3950257A4 (en) 2019-03-29 2020-03-25 MOLDED ARTICLE AND ASSOCIATED METHOD OF MANUFACTURING

Country Status (5)

Country Link
US (1) US20220010128A1 (ja)
EP (1) EP3950257A4 (ja)
JP (1) JPWO2020203536A1 (ja)
CN (1) CN113677496A (ja)
WO (1) WO2020203536A1 (ja)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2369070A1 (fr) * 1976-10-29 1978-05-26 Ato Chimie Procede de f
EP0015556A1 (en) * 1979-03-06 1980-09-17 E.I. Du Pont De Nemours And Company Laminar articles of polyolefin and a second polymer and process for making them
EP0218245A2 (en) * 1985-10-09 1987-04-15 Kuraray Co., Ltd. Injection stretch blow container
JPS63275644A (ja) * 1987-05-06 1988-11-14 Kuraray Co Ltd 多成分ポリマ−からなるシ−ト状物
EP0337719A2 (en) * 1988-04-12 1989-10-18 Jsp Corporation Method of producing thermoplastic resin film and cushioning material using same
JPH01261426A (ja) * 1988-04-12 1989-10-18 Jsp Corp 熱可塑性樹脂フイルム及びその製造方法
US5380479A (en) * 1989-12-26 1995-01-10 The Dow Chemical Company Method and apparatus for producing multilayer plastic articles
US20100119749A1 (en) * 2007-04-30 2010-05-13 Evap Environmentals Limited Polymeric films and packages produced therefrom
US20100215879A1 (en) * 2009-02-21 2010-08-26 Dow Global Technologies Inc. Multilayer structures having annular profiles and methods and apparatus of making the same
WO2012023779A2 (en) * 2010-08-16 2012-02-23 Skc Co., Ltd. Environmentally friendly multilayer barrier film and preparation method thereof
US20140080968A1 (en) * 2011-03-31 2014-03-20 British American Tobacco (Investments) Limited Blends of a Polylactic Acid and a Water Soluble Polymer

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0584876A (ja) 1991-09-27 1993-04-06 Toppan Printing Co Ltd 生分解性樹脂積層体
US5200247A (en) * 1992-06-05 1993-04-06 Clopay Corporation Biodegradable film containing an alkanoyl polymer/PVA blend and method of making same
JP3280927B2 (ja) * 1998-10-30 2002-05-13 三菱樹脂株式会社 分解性記録シートおよび記録カード
JP2001072822A (ja) * 1999-09-07 2001-03-21 Kuraray Co Ltd 樹脂組成物
JP5215513B2 (ja) * 2001-04-13 2013-06-19 三井化学株式会社 生分解性樹脂組成物
JP4243445B2 (ja) * 2001-10-03 2009-03-25 旭化成ケミカルズ株式会社 氷結防止性フィルム
EP2686383B1 (en) * 2011-03-15 2015-06-17 The Nippon Synthetic Chemical Industry Co., Ltd. Resin composition and molded product thereof
EP2781351B1 (en) 2011-11-11 2021-11-24 Mitsubishi Chemical Corporation Biodegradable laminate
JP5615343B2 (ja) * 2012-12-19 2014-10-29 日本合成化学工業株式会社 樹脂組成物およびその成形品
JP6184093B2 (ja) * 2012-12-21 2017-08-23 日本合成化学工業株式会社 樹脂組成物およびその成形品
JP6203038B2 (ja) 2013-12-24 2017-09-27 日本合成化学工業株式会社 成形品及びその製造方法

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2369070A1 (fr) * 1976-10-29 1978-05-26 Ato Chimie Procede de f
US4309465A (en) * 1976-10-29 1982-01-05 Ato Chimie Process for manufacturing thermoplastic compositions and containers made of such compositions
EP0015556A1 (en) * 1979-03-06 1980-09-17 E.I. Du Pont De Nemours And Company Laminar articles of polyolefin and a second polymer and process for making them
EP0218245A2 (en) * 1985-10-09 1987-04-15 Kuraray Co., Ltd. Injection stretch blow container
JPS63275644A (ja) * 1987-05-06 1988-11-14 Kuraray Co Ltd 多成分ポリマ−からなるシ−ト状物
EP0337719A2 (en) * 1988-04-12 1989-10-18 Jsp Corporation Method of producing thermoplastic resin film and cushioning material using same
JPH01261426A (ja) * 1988-04-12 1989-10-18 Jsp Corp 熱可塑性樹脂フイルム及びその製造方法
US5380479A (en) * 1989-12-26 1995-01-10 The Dow Chemical Company Method and apparatus for producing multilayer plastic articles
US20100119749A1 (en) * 2007-04-30 2010-05-13 Evap Environmentals Limited Polymeric films and packages produced therefrom
US20100215879A1 (en) * 2009-02-21 2010-08-26 Dow Global Technologies Inc. Multilayer structures having annular profiles and methods and apparatus of making the same
WO2012023779A2 (en) * 2010-08-16 2012-02-23 Skc Co., Ltd. Environmentally friendly multilayer barrier film and preparation method thereof
US20140080968A1 (en) * 2011-03-31 2014-03-20 British American Tobacco (Investments) Limited Blends of a Polylactic Acid and a Water Soluble Polymer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
RESTREPO IVÁN ET AL: "The effect of molecular weight and hydrolysis degree of poly(vinyl alcohol)(PVA) on the thermal and mechanical properties of poly(lactic acid)/PVA blends", POLIMEROS: CIENCIA Y TECNOLOGIA, vol. 28, no. 2, 1 January 2018 (2018-01-01), BR, pages 169 - 177, XP055905582, ISSN: 0104-1428, Retrieved from the Internet <URL:https://www.scielo.br/j/po/a/HSzRbt49BqyvfCrQwBmpwRf/?format=pdf&lang=en> [retrieved on 20220328], DOI: 10.1590/0104-1428.03117 *

Also Published As

Publication number Publication date
CN113677496A (zh) 2021-11-19
US20220010128A1 (en) 2022-01-13
WO2020203536A1 (ja) 2020-10-08
EP3950257A1 (en) 2022-02-09
JPWO2020203536A1 (ja) 2020-10-08

Similar Documents

Publication Publication Date Title
EP3747936A4 (en) FIBER REINFORCED MOLDED ARTICLE AND METHOD FOR PRODUCING IT
EP3778781A4 (en) MOLDED ARTICLES AND METHOD FOR MANUFACTURING THEREOF
EP3816214A4 (en) MOLDING AND MANUFACTURING METHOD THEREOF
EP3747937A4 (en) PREPREG AND METHOD FOR MANUFACTURING A PREPREG SHAPED BODY
EP3680278A4 (en) MOLDED ARTICLES AND METHOD FOR MANUFACTURING THE SAME
EP3904452A4 (en) RESIN COMPOSITION, METHOD FOR PRODUCTION OF RESIN COMPOSITION, MOLDING AND METHOD OF PRODUCTION OF MOLDING
EP3778740A4 (en) PRODUCTION PROCESS FOR MOLDED FOAM ARTICLES, AND MOLDED FOAM ARTICLES
EP3778174A4 (en) METHOD OF MANUFACTURING A MOLDED ARTICLE
EP3653663A4 (en) MOLDED ARTICLE, AND METHOD OF MANUFACTURING THE SAME
EP3974456A4 (en) RESIN COMPOSITION, METHOD OF MAKING RESIN COMPOSITION AND MOLDING ARTICLE
EP3587488A4 (en) MOLDED ARTICLE AND ITS MANUFACTURING PROCESS
EP3954487A4 (en) METHOD OF MAKING AN ADDITIVELY MANUFACTURED ARTICLE AND ADDITIVELY MANUFACTURED ARTICLE
EP3766619A4 (en) PRODUCTION PROCESS OF A SHAPED ARTICLE AND SHAPED ARTICLE
EP3778177A4 (en) FOAM MOLDS AND METHOD OF MANUFACTURING THEREOF
EP3778195A4 (en) METHOD OF MANUFACTURING A MOLDED ARTICLE
EP3554883B8 (de) Formteil und verfahren zum herstellen eines formteils
EP3572202A4 (en) MOLDED ARTICLES AND METHOD FOR MANUFACTURING THEREOF
EP3719042A4 (en) METHOD OF MANUFACTURING STYRENE RESIN AND MOLDED ARTICLES FROM STYRENE RESIN
EP3711889A4 (en) METHOD OF MANUFACTURING A MOLDED ARTICLE, MANUFACTURING DEVICE AND MOLDED ARTICLE
EP3647371A4 (en) RESIN COMPOSITION, METHOD FOR PRODUCING THE RESIN COMPOSITION AND MOLDED ARTICLE
EP3778211A4 (en) MOLDED ARTICLE AND MOLDED ARTICLE MANUFACTURING PROCESS
EP3862169A4 (en) MOLDING APPARATUS AND METHOD FOR MANUFACTURING A MOLDED OBJECT
EP3738741A4 (en) FOAM MOLDED ARTICLE AND FOAM MOLDED ARTICLE PRODUCTION METHOD
EP3613795A4 (en) MOLDED ARTICLE AND PROCESS FOR ITS PRODUCTION
EP3683052A4 (en) LAMINATE, MOLDED ARTICLE AND METHOD FOR MANUFACTURING A MOLDED ARTICLE

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20210930

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20220405

RIC1 Information provided on ipc code assigned before grant

Ipc: C08L 29/04 20060101ALI20220330BHEP

Ipc: C08L 67/04 20060101ALI20220330BHEP

Ipc: C08J 5/00 20060101ALI20220330BHEP

Ipc: B29C 45/00 20060101AFI20220330BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)